Furnace-arch.



F. GIRTANNER.

FURNACE ARCH. APPLICATION FILED JAN .8,1910. RENEWED JAN. 21, 1911.

Patented Mar. 14, 1-911.

, 2 BHIrIT INVENTOH Frederirk Girtanner.

UNITED STATES PATENT OFFICE.

FREDERICK GIRTANNER, OF ST. LOUIS, MISSOURI, ASSIGNOR T LACLEDE-CHRISTYCLAY PRODUCTS COMPANY, OF ST. LOUIS, MISSOURI; A CORPORATION OFMISSOURI.

FURNCE-ARCH.

986,455.. specifi a i n: ma unt. Patented Mar. 14, 1911. Applicationfiled January 8, 1910, Serial No. 537,035. Renewed- January 21, 1911.Serial No. 603,922.

To all whom t'tma'y concern: proper. The parts 19, 20 and 21 are securedB it kn wn that I, FREDERICK GIRTAN- to the I-beams 17 by means of bolts25 pass- NEE, a citizen of the United States, residing mg throughflanges 26 on the side parts and at-St. Louis, Missouri, have invented acerthrough the said I-beams 17. The tiles 27 tain new and usefulFurnace-Arch, of which formlng the extreme rear end of th h 0 thefollowing is such a full, clear, and exact drfler mm the tiles 2 1 inbeing provided description as will enable any one skilled in With anupwardly extending part 28 a the art to which it appertains to make andshown 1n Figs. 1 and 2. The rear ends 20 of use the same, referencebeing had to the the supporting brackets are more liable to accompan ingdrawings, forming part of be lIlJUIGd by the heat than the other mem- 65thisspeci cation. hereof the bracket and the extreme rear My inventionrelates, toan arch for furportlon of these ends'are more liable to benaces and more particularly to that form of njured than the parts nearerthe Ibeams, arch known as a flat arch and usually used in I Order,therefOre, to l he ready reconnection with chain grate furnaces. newalofthe extreme rear ends I provide 70 Th object of my i v nti is to rvide separate-tips 29 to receive the rear blocks I supporting means forafiat arch which will 7- Eaoh of these tlps 29 is provided on support anarch of any desired length and eachside-with a pair of lugs30 and eachof in which any part of the supporting means the endpleces 1S pI'OVldetlon eilll Sltltl 20 y adily b la d wh i ju d. with a lug 31 adapted toslip between the 75 In th a o anyin d awin s which correspond ng lugs30.0n the end-piece 2 9. illustrate one form of arch me. e in ac- Theend-p ece 29 can, therefore, bereadily cordance with-my invention,together with renewed 79711311011t mg the dy of the a portion of furnaceto which the same is end-piece 20.

applied, igure 1 is a vertical longitudinal In Figs. 5. and 6 I haveshown a modifica- 80 1 section; Fig.2 is an enlarged View of one tion ofthe supporting bracket. In this form end of the arch; Fig. 3 is a crosssection; two end-pieces 32 are used, each of which is Fig. 4 is asection on the line 4-4 of Fig. 1; similartb the front end-piece 19hereinbefore and Figs. 5 and 6 are top plan and side view describedexcept-that it is provided with an '30 respectlvely showing-a modifiedform of supextension 33 as best shown 1n Fig. 6. These 85 portingbracket. extensions 33 meet and together with the Like marks ofreference refer to similar body of'the'end-piec'es 32 carry the flanges22 parts in the several views in-the drawings. for supporting the tilesthrough the entire 10 represents the front walls and 11 the len hof thearch. A center-piece 34 is 35 side walls of the furnace. use in-"thisform of arch which center-piece 90 12. is the frame which carries thechain does not extend below the I-be-ams 17 and is grate 13 shown indotted lines and whic'his not provided with flanges for supporting theprovided with wheels 14- running on a tram" tiles. It will be evidentthat with this form v 15 in the usual manner so that the grate may ofsupporting bracket the rear end-piece 32 40 be inserted or removed fromthe furnace. 16 may 'be formed similar to the end-piece 30 95 are theboiler tubes. Extending between the hereinbefore described and suppliedwith a side walls 11 are a pair of I-beams17; These separate tip inthesame way. I-beams 17 are supported from the side walls It will he-evident that with my construe 11 in any suitablemanner but preferablyby tion a flat iarhbf any desired length can be wall brackets 18 setinto the wall as shown readily supported and at the same time the 10 inFig. 3. Carried by the I-beams 17 are a separate parts of the arch canbe readily number of supporting brackets for the tiles, renewed in caseof injury. as shown in Figs. 1, 2, 3 and 4. Each of Having fullydescribed my invention, what these brackets consists of a frontend-piece I claim as new and desire to secure by Let 19, a rearend-piece 20 and a center piece 21. ters Patent of the United States is:1 Each of these parts 19, 20*and 21 of the 1. In a furnace arch, thecombination bracket extends belowsthe lower edge of the with apair ofI-beams extending across the -beams 17 and'ls provided withflanges 22,furn'ace,fiof brackets supported by said -I- which flanges engage with.grooves 23 beams; each of said brackets extending to formed in thetiles 24 which form the arch the front and rear of said I-beams andcornprising end-pieces and a separate center piece extending betweensaid I-beams; said brackets being provided with flanges on their loweredges, and tiles provided with. grooves to receive the flanges of saidbrackets;

2. In a furnace arch, the cornbii'iation with a pair of I-bearnsextending across the furnace, of brackets supported by said I- bealns;each of said brackets comprising a air of separate end-pieces oneextending to the front and the other to the rear of said I-beams, and aseparate center piece extending between said Lbeams; said brackets beingprovided with flanges on their lower edges, and tiles provided withgrooves to receive the flanges of said brackets.

3. In a furnace arch, the combination with a pair of I-beanis extendingacross the furnace, of brackets supported by said I-beams; each of saidbrackets comprising a pair of separate end-pieces one extending at thefront, the other at the rear, of said I-beams,

and a separate center piece extending between said I-beiuns; flanges onthe lower edges of both said end-pieces and said center piece, and.tiles provided with grooves to receive said flanges.

4. In a fu-rnacts arch, the combination with an I-beam extending acrossthe furnace, of brackets supported by said I-beams, each of saidbrackets comprising an end-piece ex' tending to the rear of said Ibeain,said endpiece being provided at its lower edge with flanges, a tip,removably secured to, said endpieee and also provided with flanges, andtiles provided with grooves to receive the flanges on said end-piece andtip.

In testimony whereof, I have hereunto set my hand and atlixed my seal inthe presence of the two subscribing witnesses.

{FREDERICK GIRTANNER. Witnesses:

IV. A. ALEXANDER,

ELIZABETH BAILEY.

